Abstract
At present, color 3D printing technology has been applied in many fields, such as 3DP-based gypsum powder printing technology, plastic-based FDM printing technology, paper-based LOM printing technology, PolyJet printing technology and so on. All of these can realize mixed color 3D printing including gradient color. PolyJet printing technology is the most representative techonology. The purpose of this paper is to measure and analyze the gamut of color PolyJet printing technology. The research method is to print standard color target by color 3D printing equipment. The gamut of color 3D printing is obtained by measuring and calculating. The gamut of color 3D printing is compared with that of color inkjet printing on paper surface in order to analyze the color rendering characteristics of color 3D printing results. The results show that color 3D printing technology can display mixed colors including gradient colors, but the color gamut is smaller than color inkjet printing on the surface of paper. In particular, the appearance of light-tone colors and high-saturation colors is still a big gap between 3D printing and color inkjet.
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